Org-Mode doesn't export to pdf

I am using emacs with org mode to take notes. I read that org mode can export to pdf whene you type C-c C-e lp. When I type this in, *Org PDF LaTeX Output* buffer says : > /bin/bash: pdflatex: command not found But when I run $ pdflatex on my terminal the program executes. I belive that emacs doesn't login in bash, and as a result it doesn't have acces to my $PATH variable. Do you have any idea how I can fix this. Thanks in advance.